Secretes steroid hormones that affect secondary sex characteristics
(A) testis
(B) Lining of small intestine
(C) Anterior pituitary
(D) thyroid
(E) pancreas
Ans: (A) testis
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California retains only about __________ percent of
its original coastal redwoods. a. 1 b. 4 c. 10 d. 15 e. 20
Glycogen is a polysaccharide used for energy storage by ____.
A. animals B. plants C. protists D. bacteria E. archaea
You extract DNA from human bones in an ancient village buried by volcanic ash. You discover that there is an extremely high frequency of the LCT allele for lactase persistence. What might you conclude about the population?
A. This population is likely the source of the high frequency of the LCT gene in Northern Europe. B. The village could not be more than 4,500 years old. C. The members of this population likely used domesticated livestock for their milk. D. The villagers had a diet rich in wheat or another domesticated crop. E. The population could not have been under strong selection because the gene was not fixed.
Which of the following processes is involved in the "central dogma" of genetics?
A) translation only B) transcription only C) DNA replication only D) transcription and translation E) DNA replication and translation